| Mar 31,
2015 | Mar 31,
2016 | Mar 31,
2017 | Mar 31,
2018 | Mar 31,
2019 | Mar 31,
2020 | Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Sales, net | - | - | - | - | 2,059 | 1,756 | 2,226 | 3,045 | 3,080 | 2,746 |
|---|
| Cost of sales | 1,554 | 1,651 | 1,878 | 1,788 | 1,643 | 1,397 | 1,593 | 1,935 | 2,049 | 1,887 |
|---|
| Gross profit | 529 | 619 | 669 | 521 | 416 | 359 | 633 | 1,109 | 1,031 | 859 |
|---|
| Research and development | 10 | 13 | 33 | 30 | 28 | 23 | 23 | 29 | 44 | 50 |
|---|
| Selling, general, and administrative | 283 | 344 | 424 | 423 | 377 | 303 | 337 | 434 | 504 | 540 |
|---|
| Goodwill and Intangible Asset Impairment | 52 | - | 449 | 152 | 456 | 156 | - | - | 374 | 219 |
|---|
| Operating income | 184 | 263 | -207 | -85 | -610 | -132 | 273 | 646 | 108 | 50 |
|---|
| Other Nonoperating Income (Expense) | - | - | - | - | - | - | - | - | 2 | -2 |
|---|
| Interest expense, net | - | - | - | - | - | - | - | - | - | -63 |
|---|
| Income (loss) before income taxes | - | - | - | - | - | -171 | 259 | 621 | 51 | -14 |
|---|
| Income tax benefit (provision) | 75 | 91 | 24 | -74 | -26 | -16 | -7 | 148 | 60 | -9 |
|---|
| Net income (loss) | 80 | 147 | -274 | -60 | -648 | -155 | 266 | 473 | -10 | -6 |
|---|
| Earnings Per Share, Basic | 1.25 | 2.36 | -4.66 | -1.05 | -11.27 | - | 4.57 | 8.27 | -0.17 | -0.1 |
|---|
| Earnings Per Share, Diluted | 1.25 | 2.35 | -4.66 | -1.05 | -11.27 | - | 4.44 | 8 | -0.17 | -0.1 |
|---|
| Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax | -0 | -1 | -1 | -0 | -0 | -0 | -0 | -1 | - | - |
|---|
| Reclassification of net actuarial loss for pension and postretirement benefit plans recorded to net income, net of tax expense of $(704), $(884), and $(1,215) | -2 | -6 | -5 | -3 | -2 | -3 | -3 | -4 | -3 | -2 |
|---|
| Valuation adjustment for pension and postretirement benefit plans, net of tax benefit (expense) of $(150), $1,003, and $(1,434) | - | - | - | - | - | 22 | -12 | -5 | 3 | -0 |
|---|
| Change in derivative instruments, net of tax benefit (expense) of $(1,105), $1,707, and $168 | - | - | - | - | - | -2 | 2 | -1 | -3 | 4 |
|---|
| Net change in cumulative translation adjustment | - | - | - | - | - | -0 | 1 | -0 | -1 | 0 |
|---|
| Total other comprehensive income (loss) | -49 | 0 | -3 | 20 | 21 | -18 | 18 | 7 | -4 | 6 |
|---|
| Comprehensive income (loss) | 31 | 147 | -277 | -40 | -627 | - | 284 | 480 | -14 | 1 |
|---|